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Oil pipeline defect inspection system and method based on distributed optical fiber temperature measurement system

A distributed optical fiber and oil pipeline technology, which is applied in the field of oil pipeline defect inspection systems, can solve problems such as high economic cost and complex inspection, and achieve the effects of wide adaptability, simplified system structure, and improved positioning accuracy and monitoring performance.

Active Publication Date: 2018-03-27
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the fact that the oil pipeline in the oil field is corroded and the detection of defects is more complicated and the economic cost is higher

Method used

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  • Oil pipeline defect inspection system and method based on distributed optical fiber temperature measurement system
  • Oil pipeline defect inspection system and method based on distributed optical fiber temperature measurement system
  • Oil pipeline defect inspection system and method based on distributed optical fiber temperature measurement system

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Embodiment Construction

[0036] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0037] Such as figure 1 As shown, an oil pipeline defect inspection system based on a distributed optical fiber temperature measurement system includes a first connecting pipeline and a second connecting pipeline, and the pipeline to be tested is arranged between the first connecting pipeline and the second connecting pipeline, The hot water pump is connected to the second connecting pipe, the constant temperature water tank is connected to the hot water pump and the first connecting pipe, the optical fiber is wired on the outer wall of the first connecting pipe, the second connecting pipe and the pipe to be tested, the distributed temperature sensor is connected to the optical fiber data, and the data is collected The recorder is connected to the distributed temperature sensor, and the computer is connected to the data acquisition record...

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Abstract

The invention provides an oil pipeline defect inspection system and method based on a distributed optical fiber temperature measurement system. The oil pipeline defect inspection system comprises a first connection pipeline and a second connection pipeline, and a to-be-inspected pipeline is arranged between the first connection pipeline and the second connection pipeline; a hot water pump is connected with the second connection pipeline, and a constant temperature water tank is connected with the hot water pump and the first connection pipeline; optical fibers are distributed on the outer wallof the first connection pipeline, the outer wall of the second connection pipeline and the outer wall of the to-be-inspected pipeline; a distributed temperature sensor is in data connection with theoptical fibers; and a data collecting and recording instrument is connected with the distributed temperature sensor, and a computer is connected with the data collecting and recording instrument. According to the oil pipeline defect inspection system and method based on the distributed optical fiber temperature measurement system, defects of oil pipelines can be inspected according to temperaturedifferences of the oil pipelines, and the defect inspection efficiency and precision of the oil pipelines are improved.

Description

technical field [0001] The invention belongs to the field of oil pipelines, in particular to an oil pipeline defect inspection system and method. Background technique [0002] Pipeline transportation is one of the international cargo transportation methods. It uses underground pipelines to send crude oil, natural gas, refined oil, ore slurry, coal slurry and other media to the destination. Compared with other transportation methods, it has the advantages of large transportation volume, no limitation of climate and other ground factors, continuous operation and low cost, and has become an important way of oil and gas transportation. Since long-distance oil and gas pipelines are mostly distributed in the wilderness and other unattended places, they are vulnerable to external man-made damage (such as: drilling oil, etc.) and sudden natural disasters (such as earthquakes, landslides, etc.), and pipeline ruptures occur and oil and gas leakage accidents; and because the pipelines...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D5/02
CPCF17D5/02
Inventor 王安泉王智晓刘博彭胜利丛雪明鞠梓宸
Owner CHINA PETROLEUM & CHEM CORP
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